Wax formation in oil pipelines: A critical review

A Aiyejina, DP Chakrabarti, A Pilgrim… - International journal of …, 2011 - Elsevier
The gelling of waxy crudes and the deposition of wax on the inner walls of subsea crude oil
pipelines present a costly problem in the production and transportation of oil. The timely …

Experimental analysis of flow regimes and pressure drop reduction in oil–water mixtures

G Sotgia, P Tartarini, E Stalio - International journal of multiphase flow, 2008 - Elsevier
The physical understanding of two-phase flow characteristics in horizontal pipes is of
importance in the petroleum industry since significant savings in pumping power can be …

Multi-frequency complex network from time series for uncovering oil-water flow structure

ZK Gao, YX Yang, PC Fang, ND Jin, CY Xia, LD Hu - Scientific reports, 2015 - nature.com
Uncovering complex oil-water flow structure represents a challenge in diverse scientific
disciplines. This challenge stimulates us to develop a new distributed conductance sensor …

A review of the application of non-intrusive infrared sensing for gas–liquid flow characterization

K Sarkodie, A Fergusson-Rees… - The Journal of …, 2018 - journals.sagepub.com
This paper reviews the use of non-intrusive optical infrared sensing for gas–liquid flow
characterisation in pipes. The application of signal analysis techniques to infrared-derived …

Review of oil–water through pipes

ASI Ismail, I Ismail, M Zoveidavianpoor… - Flow Measurement and …, 2015 - Elsevier
In oilfield operations, co-current flow of oil–water mixture is very common and can cause
significant flow assurance problems during production. Accurate knowledge of behaviour of …

Investigation on heavy crude-water two phase flow and related flow characteristics

W Wang, J Gong, P Angeli - International journal of multiphase flow, 2011 - Elsevier
In this paper, heavy crude oil–water flows are studied in a horizontal stainless steel test
section with 25.4 mm ID and overall length of 50m. Crude oil (viscosity= 628.1 mPas …

Experimental investigation of oil–water two phase flow regime in an inclined pipe

P Hanafizadeh, A Hojati, A Karimi - Journal of Petroleum Science and …, 2015 - Elsevier
The flow pattern in two-phase flows is a significant factor which influences many other
parameters such as heat transfer and pressure drop in pipelines. In the present work, flow …

Characterization of oil–water two-phase pipe flow with a combined conductivity/capacitance sensor and wavelet analysis

C Tan, P Li, W Dai, F Dong - Chemical Engineering Science, 2015 - Elsevier
Flow patterns of horizontal oil–water two-phase pipe flow were studied with water holdup
fluctuations provided by a set of conductivity and capacitance sensors. The in situ water …

Gas-liquid flow regime identification via a non-intrusive optical sensor combined with polynomial regression and linear discriminant analysis

K Sarkodie, A Fergusson-Rees, M Abdulkadir… - Annals of Nuclear …, 2023 - Elsevier
The identification of gas-liquid flow regimes for co-current upward flow in a vertical pipe is
investigated using Polynomial regression (PR) and Linear Discriminant analysis (LDA) on …

Study on two-phase oil–water gelling deposition behavior in low-temperature transportation

Z Wang, Y Liu, J Li, X Zhuge, L Zhang - Energy & Fuels, 2016 - ACS Publications
The waxy crudes gelling and the wax depositing on the inner walls of crude oil pipelines
present a costly problem in low-temperature transportation processes. This study focuses on …